Phenethylboronic acid
Phenethylboronic acid (CAS 34420-17-2), molecular formula C6H5CH2CH2B(OH)2, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.
- IUPAC
- 2-Phenylethaneboronic acid

| Molecular weight | 149.98 |
|---|---|
| Linear formula | C6H5CH2CH2B(OH)2 |
| Application | Reactant involved in:• Suzuki-Miyaura cross-coupling reactions1• Reactions with α-diazocarbonyl compounds2• C-H functionalization of quinones3• Cross-coupling with aromatic amines4• Arylation and alkylation of diphenylisoxazole5Reactant used in studies of the stability of boronic esters to hydrolysis6 |
| Melting point | 76-81 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Phenethylboronic acid?
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Phenethylboronic acid (CAS 34420-17-2), molecular formula C6H5CH2CH2B(OH)2, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to USP, BP and EP standards.
What grades of Phenethylboronic acid does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Phenethylboronic acid in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.
What is the CAS number and molecular formula of Phenethylboronic acid?
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Phenethylboronic acid has CAS number 34420-17-2 and molecular formula C6H5CH2CH2B(OH)2. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for Phenethylboronic acid?
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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.
Do you provide a Certificate of Analysis (CoA) with each shipment?
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Yes. Every batch of Phenethylboronic acid ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.
How should Phenethylboronic acid be stored?
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Store Phenethylboronic acid in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.
What is Phenethylboronic acid used for?
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Phenethylboronic acid is used in chemical synthesis applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.
How do I request a quote for Phenethylboronic acid?
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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.
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